7245178819 has 8 divisors (see below), whose sum is σ = 7755768000. Its totient is φ = 6747516072.

The previous prime is 7245178777. The next prime is 7245178823. The reversal of 7245178819 is 9188715427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7245178819 - 2⁹ = 7245178307 is a prime.

It is a super-2 number, since 2×7245178819² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7245178219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230449 + ... + 3232690.

It is an arithmetic number, because the mean of its divisors is an integer number (969471000).

Almost surely, 2^7245178819 is an apocalyptic number.

7245178819 is a deficient number, since it is larger than the sum of its proper divisors (510589181).

7245178819 is a wasteful number, since it uses less digits than its factorization.

7245178819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463217.

The product of its digits is 1128960, while the sum is 52.

The square root of 7245178819 is about 85118.6161717870. The cubic root of 7245178819 is about 1935.0092091606.

The spelling of 7245178819 in words is "seven billion, two hundred forty-five million, one hundred seventy-eight thousand, eight hundred nineteen".